MiniMax H3 用户分享高达 12 倍的视频生成速度提升技巧

报道来源 [6]

1. r/StableDiffusion TIER_2 English(EN) · /u/alisitskii · 2026-08-08 17:59

   意外的发现 (MiniMax H3 + LTX 2.3 Upscale + RTX VSR)

   <table> <tr><td> <a href="https://www.reddit.com/r/StableDiffusion/comments/1vj2ldp/an_unexpected_find_minimax_h3_ltx_23_upscale_rtx/"> <img alt="An unexpected find (MiniMax H3 + LTX 2.3 Upscale + RTX VSR)" src="https://external-preview.redd.it/cmhiMmVoMjJ1NmloMdhqGCRH9KcS-p3pza5…

2. r/StableDiffusion TIER_2 English(EN) · /u/Chemical-Bicycle3240 · 2026-08-08 17:43

   [Minimax H3] 如果您使用的是 Blackwell GPU（RTX 50 系列），请尽快升级到 PyTorch 2.13 和 CUDA 13（性能提升巨大）

   <table> <tr><td> <a href="https://www.reddit.com/r/StableDiffusion/comments/1vj26vj/minimax_h3_if_youre_on_a_blackwell_gpu_rtx/"> <img alt="[Minimax H3] If you’re on a Blackwell GPU (RTX 50-series), upgrade to PyTorch 2.13 and CUDA 13 ASAP (the performance gains are massive)" src…

3. r/StableDiffusion TIER_2 English(EN) · /u/Bubbly_Lawfulness_43 · 2026-08-08 08:38

   MiniMax H3 在 V100 上以原生 fp16 速度快约 11 倍，解决了黑帧问题

   <!-- SC_OFF --><div class="md"><p>H3 only whitelists bf16/fp32, so on cards without bf16 support (V100, Titan V, P100) ComfyUI silently falls back to fp32 and crawls along at 330–370 s/step 1120×768 on my V100 32GB.</p> <p>Forcing --fp16-unet just gives pure black frames.</p> <p>…

4. r/StableDiffusion TIER_2 English(EN) · /u/mikemend · 2026-08-05 19:43

   MiniMax H3 Cache - 渲染速度提升 2 倍！

   <table> <tr><td> <a href="https://www.reddit.com/r/StableDiffusion/comments/1vghr2g/minimax_h3_cache_2x_faster_rendering/"> <img alt="MiniMax H3 Cache - 2x faster rendering!" src="https://external-preview.redd.it/vspdTeXK0TBHEE1FSLmEpCzyLzUVcrHgatk1saDB87o.png?width=140&amp;heigh…

5. r/StableDiffusion TIER_2 English(EN) · /u/jtreminio · 2026-08-05 13:29

   🎉 关于 MiniMax H3 的一个有趣事实：将视频长度加倍并不会使渲染时间加倍，而是近乎增加两倍！🎉

   <!-- SC_OFF --><div class="md"><p>tl;dr: In the time it takes to render one 20-second clip, you could have rendered nine 5-second ones.</p> <p>On a beefy GPU, at 768x1280, 20 steps:</p> <ul> <li>5s → 6.5 s/it → 2 min gen time</li> <li>10s → 18.5 s/it → 6 min gen time</li> <li>15s…

6. r/StableDiffusion TIER_2 English(EN) · /u/lumos_ai · 2026-08-04 09:01

   12倍速 MiniMax H3 Generations！(停止渲染原生1080p)

   <table> <tr><td> <a href="https://www.reddit.com/r/StableDiffusion/comments/1vf4ync/12x_faster_minimax_h3_generations_stop_rendering/"> <img alt="12x FASTER MiniMax H3 Generations! (Stop Rendering Native 1080p)" src="https://external-preview.redd.it/YIvCSuT7s8g22MyzNRXEep0p6aAw3E…